VSG1-12 indoor AC Solid-Encapsulated high voltage vacuum circuit breaker for switchgear 12kV
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VSG1-12 indoor AC Solid-Encapsulated high voltage vacuum circuit breaker for switchgear 12kV
VSG1-12 indoor AC solid-encapsulated high voltage vacuum circuit breaker is a self-developed product of our company.It mainly serves in mineral enterprise,power plant and substation for control and protection of electric equipment.This VCB has merits of long life,easy maintenance,no pollution,no explosion,low noise etc,and it is fit for use in stringent work condition with frequent operation etc.It can be installed both in trolley type switchgear and fixed type switchgear. Standard: GB 1984-2003,IEC 62271-100
Main technical data
ITEM UNIT DATA Rated voltage kV 12 1 min power frequency withstand voltage kV 42 Rated lighting impulse withstand voltage kV 75 Rated frequency Hz 50 Rated current A 630/1250 630/1250/1600/2000/2500/3150 1250/1600/2000/2500/3150/4000 Rated short-circuit breaking current kA 25 31.5 40 Rated short-time withstand current kA 25 31.5 40 Rated duration of short-circuit s 4 Rated peak withstand current kA 63 80 Rated short-circuit making current kA 63 80 Secondary circuit power frequency withstand voltage V 2000 Rated breaking current of single/back to back capacitor bank A 630/400(40kA:800/400) Rated capacitor bank closing current kA 12.5(frequency≦1000Hz) Opening time(rated voltage) ms 20-50 Closing time(rated voltage) ms 35-70 Mechanical life time 20000 Rated current breaking times time 20000 Rated short circuit current breaking times time 50(40kA:30) Contact & fixed contact erosion limit mm 3 Rated closing operation voltage V AC110/220 DC110/220 Rated voltage of storage motor V AC110/220 DC110/220 Rated power of storage motor V 70(40kA 100) Energy storage time V ≦15 Clearance between open contacts mm 11±1 Overtravel of contact s 3.5±0.5 Contact closing bounce time mm ≦2(40kA≦3) Closing/open non-synchronized of three phases mm ≦2 Average opening speed(contact open 6mm) ms 0.9-1.2 Average closing speed(contact closed 6mm) ms 0.5-0.8 Contact opening bouncing amplitude ms mm ≦3 Main circuit resistance μΩ ≦50(630A)≦45(1250A)≦35(1600-2000A)≦25(2500A) Contact closing contact pressure N 2400±200(25kA) 3100±200(31.5kA) 4250±250(40kA) Rated operating sequence 0.3s-co-180s-co -
VSG1-12 indoor AC Solid-Encapsulated high voltage vacuum circuit breaker for switchgear 12kV
Draw-out type
draw out type VSG1-12 indoor AC Solid-Encapsulated high voltage vacuum circuit breaker for switchgear 12kV
fixed type
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VSG1-12 indoor AC Solid-Encapsulated high voltage vacuum circuit breaker for switchgear 12kV
details VSG1-12 indoor AC Solid-Encapsulated high voltage vacuum circuit breaker for switchgear 12kV
About us
We are specialty on providing medium voltage and high voltage circuit breaker and switchgear components, such as 12KV, 24 KV, 36KV and 40.5KV embedded cylinder,insulated operating rod,auxiliary circuit socket,counter,circuit breaker board,vacuum circuit breaker plastic panel,connection terminal,vacuum circuit breaker and so on.These components apply on 630A, 1250A, 2500A, 3150A and 4000A VS1 (ZN85-40.5) circuit breaker and KYN28A-12 and KYN61 high voltage switchgear.
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VSG1-12 indoor AC Solid-Encapsulated high voltage vacuum circuit breaker for switchgear 12kV
